The Sage Handbook of Qualitative Research
Norman K. Denzin & Yvonna S. Lincoln
The Standard for Portfolio Management
Project Management Institute
Social Research Methods: Qualitative and Quantitative Approaches
William Lawrence Neuman
Accelerating Process Improvement Using Agile Techniques
Deb Jacobs
Surviving the daily Scrum
Mike Cohen
Emergence of the Omniverse: Universe - Multiverse - Omniverse
Alfred Lambremont Webre